US6909475B2 - Display unit and portable terminal unit - Google Patents
Display unit and portable terminal unit Download PDFInfo
- Publication number
- US6909475B2 US6909475B2 US10/202,653 US20265302A US6909475B2 US 6909475 B2 US6909475 B2 US 6909475B2 US 20265302 A US20265302 A US 20265302A US 6909475 B2 US6909475 B2 US 6909475B2
- Authority
- US
- United States
- Prior art keywords
- holder
- displaying part
- wall surfaces
- engaged
- engaging portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
Definitions
- the present invention relates to a display unit of a mobile radio terminal unit for use in a mobile communication system, such as a cellular phone system, or a portable terminal unit, such as a PDA (Personal Digital Assistants).
- a mobile communication system such as a cellular phone system
- a portable terminal unit such as a PDA (Personal Digital Assistants).
- a mobile radio terminal unit for use in a mobile communication system such as a cellular phone system or a portable terminal unit such as a PDA is required to be compact and lightweight.
- an increase in size of the display thereof, including an LCD (Liquid Crystal Display), is pursued, so that more information can be transmitted to the user on one screen.
- FIG. 8 shows a conventional display.
- FIG. 9A is a cross-sectional view of these components.
- C 91 b in FIG. 9B is an enlarged view of a region C 91 a in FIG. 9 A.
- the conventional display unit having the aforementioned structure is disadvantageous in that the display unit is thickened due to the double-sided tapes 70 . It is also disadvantageous in that the double-sided tapes 70 block off the light from the backlight 40 . These disadvantages are the problems that must be solved in order to downsize the portable terminal unit or make the best use of the display region of the unit.
- the display unit may be disassembled because of failure of the adhesion of the double-sided tapes, or for the purpose of removing dust or repair.
- the disassembling process is time-consuming.
- the LCD 10 or the backlight 40 may be damaged.
- the double-sided tapes restrict the display area and increase the thickness of the display unit. Further, the LCD or the backlight may be damaged during the process of removing the double-sided tapes to disassemble the display unit.
- the present invention has been made to solve the above problems, and an object is to provide a display unit which is thin, easy to disassemble and resistant to impact, and whose display area is not restricted.
- a portable terminal unit comprising a display unit which can visually display information, the display unit comprising: holder having opposed wall surfaces; displaying part configured to display an image; and holding part, made of elastic material, configured to hold the displaying part between the opposed wall surfaces of the holder.
- the displaying means is held between the opposed wall surfaces of the holding means made of elastic material.
- the displaying means can be held within the holding means without using adhesive, such as double-sided tapes.
- FIG. 1 is a diagram showing a structure of a display unit according to an embodiment of the present invention
- FIGS. 2A to 2 C are diagrams showing a cross-sectional view of the display unit and cross-sectional enlarged views of engagement portions;
- FIGS. 3A to 3 F are diagrams showing steps for assembling the display unit shown in FIG. 1 ;
- FIG. 4 is a diagram showing a structure of a display unit according to a modification of the present invention.
- FIGS. 5A to 5 C are diagrams showing a cross-sectional view of the display unit and cross-sectional enlarged views of engagement portions according to another modification of the present invention.
- FIG. 6 is a diagram showing the elastic member shown in FIG. 1 ;
- FIG. 7 is a diagram showing a modification of the elastic member shown in FIG. 1 ;
- FIG. 8 is a diagram showing a structure of a conventional display unit.
- FIGS. 9A and 9B are diagrams showing a cross-sectional view of the conventional display unit shown in FIG. 8 and a cross-sectional enlarged view of an adhered portion thereof.
- FIG. 1 is a diagram showing a structure of a display unit according to an embodiment of the present invention.
- the display unit is to be mounted in a mobile radio terminal unit for use in a mobile communication system, such as a cellular phone system, or a portable terminal unit, such as a PDA. It is used as visually displaying means and display-controlled by a control section (not shown) mounted on the terminal unit.
- the display unit includes, as main components, an LCD 1 , elastic members 21 and 22 , an LCD holder 3 and a backlight 4 .
- the LCD 1 is a liquid crystal display whose surface is covered by glass or plastic. It visually outputs various information, such as letters and images, under the display control of the control section.
- the LCD transmits light emitted from the backlight 4 (to be described later) and applied thereto from behind.
- the elastic member 21 is made of rubber or like elastic material. It is attached to a left side of the LCD 1 .
- FIGS. 2A to 2 C show how it is attached to the LCD 1 .
- C 21 b in FIG. 2B is an enlarged view of a region C 21 a in FIG. 2 A.
- C 22 b in FIG. 2C is an enlarged view of a region C 22 a in FIG. 2 A.
- the elastic member 21 is equal to or thinner than the LCD 1 . It has a recess 211 to be engaged with a projection 11 on the left side of the LCD 1 .
- the elastic member 21 has, on the opposite side from the recess 211 , a projection 212 to be engaged with an LCD holder 3 described later.
- the elastic member 22 is made of rubber or like elastic material and attached to a right side of the LCD 1 . As shown in FIG. 2C , the elastic member 22 is equal to or thinner than the LCD 1 . It has a recess 221 to be engaged with a projection 12 on the right side of the LCD 1 .
- the elastic member 22 has, on the opposite side from the recess 221 , a projection 222 to be engaged with the LCD holder 3 described later.
- the LCD holder 3 is a chassis, which is, for example, formed of aluminum by means of die casting. It has a side wall 31 on its left end and a side wall 32 on its right end.
- the side wall 31 has a recess 311 to be engaged with the projection 212 of the LCD 1 .
- the side wall 32 has a recess 321 to be engaged with the projection 222 of the LCD 1 .
- the backlight 4 arranged behind the LCD 1 has a thin-plate light emitting body using fluorescent tubes or the like. The light emission thereof is controlled by the aforementioned control section.
- the elastic member 21 is attached to the left side of the LCD 1
- the elastic member 22 is attached to the right side thereof.
- the backlight 4 is mounted on the LCD holder 3 with the light-emitting surface facing upward. Further, the LCD 1 is put on the backlight 4 with a pressure applied to the elastic members 21 and 22 , and then, the pressure is released.
- the LCD 1 is fixed by means of the elastic members 21 and 22 to inner sides of the LCD holder 3 on which the backlight 4 is placed.
- C 31 b in FIG. 3E is an enlarged view of a region C 31 a in FIG. 3 D.
- C 32 b in FIG. 3F is an enlarged view of a region C 32 a in FIG. 3 D.
- the LCD 1 with the elastic members 21 and 22 attached to the sides thereof is press-fitted between the side walls 31 and 32 provided on the left and right ends of the LCD holder 3 , on which the backlight 4 is mounted.
- the projections 212 and 222 of the restorable elastic members 21 and 22 are engaged with the recesses 311 and 321 of the side walls 31 and 32 , so that the LCD 1 is held between the side walls 31 and 32 .
- the display unit of the above structure does not need adhesive, such as a double-sided tape, to hold the LCD 1 within the LCD holder 3 .
- adhesive such as a double-sided tape
- the LCD 1 is held by means of the elastic members 21 and 22 within the LCD holder 3 formed of a rigid aluminum die cast, it is resistant to impact. Therefore, even if the display unit is dropped, the possibility of damage is remarkably reduced.
- the present invention is not limited to the above embodiment.
- the LCD 1 with the elastic members 21 and 22 attached to the sides thereof is press-fitted in the LCD holder 3 , and the elastic members 21 and 22 are restored to the original state when the pressure is released.
- the elastic members 21 and 22 may not be restored completely to the original state while they are holding the LCD 1 , if the distance between the side walls 31 and 32 is set slightly shorter than that in the above embodiment.
- the LCD 1 is held in this manner, it is held more stably between the side walls 31 and 32 of the LCD holder 3 owing to the restoring force of the elastic members 21 and 22 .
- the thickness of the elastic members 21 and 22 must be determined so as not to exceed the thickness of the LCD 1 when they are deformed.
- the backlight 4 may be adhered to the LCD holder 3 by double-sided tape or the like.
- the elastic members 21 and 22 are attached to the left and right of the LCD 1 so that the LCD holder 3 holds the left and right sides of the LCD 1 .
- a U-shaped elastic member 5 may be used to provide an elastic member on the upper side across the left and right sides of the LCD 1 , thereby holding the LCD 1 by the three wall surfaces of the LCD holder 3 .
- the elastic members may be provided on at least two opposed sides to hold the LCD 1 within the LCD holder 3 .
- the LCD 1 may be surrounded by a rectangular elastic member, thereby holding the LCD 1 by the four wall surfaces of the LCD holder 3 .
- four elastic members may be provided at four corners of the LCD 1 , so that the LCD 1 can be held at four corners of the LCD holder 3 .
- the projections 212 and 222 of the elastic members 21 and 22 which are to be engaged with the recesses 311 and 321 of the LCD holder 3 , may be wedge-shaped as shown in FIGS. 5A to 5 C.
- the LCD 1 with the elastic members 21 and 22 attached to the sides thereof can be press-fitted in the LCD holder 3 more easily.
- the recesses 311 and 321 may be through holes, as shown in FIGS. 5A to 5 C.
- C 51 b in FIG. 5B is an enlarged view of a region C 51 a in FIG. 5 A.
- C 52 b in FIG. 5C is an enlarged view of a region C 52 a in FIG. 5 A.
- the elastic member 21 has the recess 211 which is to be engaged with the projection 11 of the LCD 1 .
- an elastic member 23 as shown in FIG. 7 may be used.
- the elastic member 23 has projections 231 to 239 on the side to be fit to the projection 11 of the LCD 1 .
- the projection 232 does not overlap the projections 231 and 233 at all when viewed in a thickness direction of the LCD 1 .
- the projection 234 does not overlap the projections 233 and 235
- the projection 236 does not overlap the projections 235 and 237
- the projection 238 does not overlap the projections 237 and 239 .
- the projection 11 of the LCD 1 can be held between a series of projections 231 , 233 , 235 , 237 and 239 and a series of projections 232 , 234 ,. 236 , 238 .
- the elastic member 23 with the above structure can be easily formed by means of a mold.
- the structure of the elastic member 23 may be applied to the elastic member 22 to be attached to the right side of the LCD 1 .
- the present invention may be further modified without departing from the scope of the gist of the invention, in which case the same advantages as those of the above embodiment can be obtained.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-228348 | 2001-07-27 | ||
JP2001228348A JP4659291B2 (en) | 2001-07-27 | 2001-07-27 | Display device and portable terminal device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20030020679A1 US20030020679A1 (en) | 2003-01-30 |
US6909475B2 true US6909475B2 (en) | 2005-06-21 |
Family
ID=19060874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/202,653 Expired - Fee Related US6909475B2 (en) | 2001-07-27 | 2002-07-25 | Display unit and portable terminal unit |
Country Status (3)
Country | Link |
---|---|
US (1) | US6909475B2 (en) |
JP (1) | JP4659291B2 (en) |
CN (1) | CN1268187C (en) |
Cited By (23)
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US20050057703A1 (en) * | 2003-09-17 | 2005-03-17 | Masaki Tsubokura | Display device |
US20060044836A1 (en) * | 2004-09-01 | 2006-03-02 | Au Optronics Corp. | Backlight modules and assembly methods thereof |
US20060061859A1 (en) * | 2004-09-03 | 2006-03-23 | Research In Motion Limited | Shock resistant mounting for small display screen |
US20070018577A1 (en) * | 2005-07-21 | 2007-01-25 | Tae-Sin Hwang | Plasma display device |
US20070241991A1 (en) * | 2006-04-13 | 2007-10-18 | Au Optronics Corp. | Flat panel display and assembling method thereof |
US20080102905A1 (en) * | 2006-10-31 | 2008-05-01 | Asustek Computer Inc. | Hand-held electronic apparatus |
US20080298002A1 (en) * | 2007-06-04 | 2008-12-04 | Asustek Computer Inc. | Portable electronic apparatus |
US20090016000A1 (en) * | 2007-07-10 | 2009-01-15 | Funai Electric Co., Ltd. | Portable electronic device |
US20100073859A1 (en) * | 2008-09-25 | 2010-03-25 | Richard Hung Minh Dinh | P-Chassis Arrangement for Positioning a Display Stack |
US20100103640A1 (en) * | 2007-03-15 | 2010-04-29 | Daniel Edward Brown | Integrated feature for friction-less movement of force sensitive touth screen |
US20100171898A1 (en) * | 2007-06-01 | 2010-07-08 | Jung Mok Lee | Display Device |
US20110002112A1 (en) * | 2009-07-02 | 2011-01-06 | Au Optronics Corporation | Display Device with Panel Positioning Structure and Method for Manufacturing the Same |
US20110249387A1 (en) * | 2009-03-31 | 2011-10-13 | To U | Indicator securing structure |
US20120268868A1 (en) * | 2011-04-22 | 2012-10-25 | Sunghwan Yoon | Display apparatus and method for manufacturing the same |
US20130010228A1 (en) * | 2011-07-08 | 2013-01-10 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid crystal display |
US8358395B1 (en) | 2010-03-09 | 2013-01-22 | Western Digital Technologies, Inc. | Electronic display assembly comprising a display mount and a flex circuit wrapped around and adhered to the display mount |
US20130070401A1 (en) * | 2010-03-22 | 2013-03-21 | Thomas Arheit | Display arrangement and the mounting thereof |
US20130194512A1 (en) * | 2012-01-27 | 2013-08-01 | Japan Display West Inc. | Electro-optical device |
US20130329460A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Electronic Device Display Structures |
US20140138272A1 (en) * | 2012-11-16 | 2014-05-22 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Package box of liquid crystal glass |
US20150070825A1 (en) * | 2013-09-10 | 2015-03-12 | Suunto Oy | Electronic display suitable for submersion |
US20160227157A1 (en) * | 2015-02-02 | 2016-08-04 | Hisense Hiview Tech Co., Ltd. | Modular television system |
US11147168B2 (en) * | 2017-08-11 | 2021-10-12 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Middle frame for supporting flexible display and a flexible display device |
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Cited By (52)
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US8054401B2 (en) | 2003-09-17 | 2011-11-08 | Hitachi Displays, Ltd. | Display device with elastic members having portions of different hardness or different widths |
US7889287B2 (en) | 2003-09-17 | 2011-02-15 | Hitachi Displays, Ltd. | Display device with first and second elastic spacers extending in parallel on opposite surfaces of a display panel and having different hardness at corresponding locations |
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US7379128B2 (en) * | 2003-09-17 | 2008-05-27 | Hitachi Displays, Ltd. | Display device with elastic spacers having varying widths and hardness |
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US20050057703A1 (en) * | 2003-09-17 | 2005-03-17 | Masaki Tsubokura | Display device |
US20060044836A1 (en) * | 2004-09-01 | 2006-03-02 | Au Optronics Corp. | Backlight modules and assembly methods thereof |
US20060061859A1 (en) * | 2004-09-03 | 2006-03-23 | Research In Motion Limited | Shock resistant mounting for small display screen |
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US20070018577A1 (en) * | 2005-07-21 | 2007-01-25 | Tae-Sin Hwang | Plasma display device |
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US20070241991A1 (en) * | 2006-04-13 | 2007-10-18 | Au Optronics Corp. | Flat panel display and assembling method thereof |
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US8144453B2 (en) * | 2007-03-15 | 2012-03-27 | F-Origin, Inc. | Integrated feature for friction less movement of force sensitive touch screen |
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US20110193460A1 (en) * | 2008-09-25 | 2011-08-11 | Richard Hung Minh Dinh | P-Chassis Arrangement for Positioning a Display Stack |
US20100073859A1 (en) * | 2008-09-25 | 2010-03-25 | Richard Hung Minh Dinh | P-Chassis Arrangement for Positioning a Display Stack |
US8531825B2 (en) * | 2009-03-31 | 2013-09-10 | Mitsubishi Electric Corporation | Indicator securing structure |
US20110249387A1 (en) * | 2009-03-31 | 2011-10-13 | To U | Indicator securing structure |
US9078386B2 (en) * | 2009-07-02 | 2015-07-07 | Au Optronics Corporation | Method for manufacturing display device with panel positioning structure |
US8437148B2 (en) * | 2009-07-02 | 2013-05-07 | Au Optronics Corporation | Display device with panel positioning structure and method for manufacturing the same |
US20110002112A1 (en) * | 2009-07-02 | 2011-01-06 | Au Optronics Corporation | Display Device with Panel Positioning Structure and Method for Manufacturing the Same |
US20130227829A1 (en) * | 2009-07-02 | 2013-09-05 | Au Optronics Corporation | Method for Manufacturing Display Device with Panel Positioning Structure |
US8358395B1 (en) | 2010-03-09 | 2013-01-22 | Western Digital Technologies, Inc. | Electronic display assembly comprising a display mount and a flex circuit wrapped around and adhered to the display mount |
US20130070401A1 (en) * | 2010-03-22 | 2013-03-21 | Thomas Arheit | Display arrangement and the mounting thereof |
US9258920B2 (en) * | 2010-03-22 | 2016-02-09 | Thomas Arheit | Display arrangement and the mounting thereof |
US20120268868A1 (en) * | 2011-04-22 | 2012-10-25 | Sunghwan Yoon | Display apparatus and method for manufacturing the same |
US9128314B2 (en) * | 2011-04-22 | 2015-09-08 | Lg Display Co., Ltd. | Display apparatus and method for manufacturing the same |
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Also Published As
Publication number | Publication date |
---|---|
CN1268187C (en) | 2006-08-02 |
US20030020679A1 (en) | 2003-01-30 |
JP4659291B2 (en) | 2011-03-30 |
JP2003046616A (en) | 2003-02-14 |
CN1400859A (en) | 2003-03-05 |
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